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9672013 = 133132377
BaseRepresentation
bin100100111001…
…010101001101
3200012101111201
4210321111031
54434001023
6543145501
7145132201
oct44712515
920171451
109672013
1155067aa
1232a5291
1320084b0
1413dab01
15cb0bad
hex93954d

9672013 has 8 divisors (see below), whose sum is σ = 10453688. Its totient is φ = 8895744.

The previous prime is 9672011. The next prime is 9672017. The reversal of 9672013 is 3102769.

9672013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 9259849 = 642^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9672013 - 21 = 9672011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9672011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1306711).

Almost surely, 29672013 is an apocalyptic number.

It is an amenable number.

9672013 is a deficient number, since it is larger than the sum of its proper divisors (781675).

9672013 is a wasteful number, since it uses less digits than its factorization.

9672013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 9672013 is about 3109.9860128303. The cubic root of 9672013 is about 213.0618157628.

The spelling of 9672013 in words is "nine million, six hundred seventy-two thousand, thirteen".

Divisors: 1 13 313 2377 4069 30901 744001 9672013